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nounthe great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth
Similar:
type of: -
nounthe line at which the sky and Earth appear to meettype of:part of:
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nounthe range of interest or activity that can be anticipated
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nouna specific layer or stratum of soil or subsoil in a vertical cross section of land
Examples of horizon
- "It is beyond the horizon of present knowledge"